1 files changed, 4 insertions, 0 deletions

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 6852f0eb96ed..c7e14d917215 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -289,6 +289,9 @@ v9fs_file_write(struct file *filp, const char __user * data,
                 total += result;
         } while (count);
 
+        if(inode->i_mapping->nrpages)
+                invalidate_inode_pages2(inode->i_mapping);
+
         return total;
 }
 
@@ -299,4 +302,5 @@ struct file_operations v9fs_file_operations = {
         .open = v9fs_file_open,
         .release = v9fs_dir_release,
         .lock = v9fs_file_lock,
+        .mmap = generic_file_mmap,
 };